Home / 81,632,263.48-122,463,463.38-33,766,939.96

Finding the Fourth Proportional to 81,632,263.48, 122,463,463.38 and 33,766,939.96

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Solution

The fourth proportional to 81,632,263.48, 122,463,463.38 and 33,766,939.96 is: 50,656,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,632,263.48 : 122,463,463.38 = 33,766,939.96 : x
  2. Step 2: Convert to fraction form
    81,632,263.48/122,463,463.38 = 33,766,939.96/x
  3. Step 3: Cross multiply
    81,632,263.48x = 122,463,463.38 × 33,766,939.96
  4. Step 4: Simplify right side
    81,632,263.48x = 4,135,216,415,246,118.50
  5. Step 5: Solve for x
    x = 4,135,216,415,246,118.50/81,632,263.48
  6. Step 6: Final answer
    x = 50,656,642.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.